import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from "../components/Welcome.vue";
import Users from "../components/user/Users";
import Rights from "../components/power/Rights";
import Roles from "../components/power/Roles";
import Cate from "../components/goods/Cate";
import Params from "../components/goods/Params";
import GoodsList from"../components/goods/List"
import Add from "../components/goods/Add";
import Order from "../components/order/Order";
import Report from "../components/report/Report";

Vue.use(Router)

const router= new Router({
  routes: [
    {path: '/', redirect:'/login'},
    {path:'/login', component:Login},
    {path:'/home', component:Home,redirect:'/welcome',
    children:[
      {path:'/welcome',component:Welcome},
      {path:'/users',component: Users},
      {path:'/rights',component: Rights},
      {path:'/roles',component: Roles},
      {path:'/categories',component: Cate},
      {path:'/params',component:Params},
      {path:'/goods',component:GoodsList},
      {path:'/goods/add',component:Add},
      {path:'/orders',component:Order},
      {path:'/reports',component:Report}
      ]
    }
  ]
})

//挂载路由导航守卫
router.beforeEach((to, from, next) => {
  //to 将要访问的路径
  //from 代表从那个路径跳转而来
  //next 是一个函数，表示放行
  //  next() 放行 next('/login')  强制跳转

  if(to.path === '/login') return next()
  //获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if(!tokenStr) return next('/login')
  next()
})

export default router
